Brussels Capital
May
Weather in Brussels Capital for May 2025
Your guide to Brussels Capital weather in May - trends and predictions
In general, the average temperature in Brussels Capital at the beginning of May is 16.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.4 °C by the end of May.
Brussels Capital sees moderate rainfall in May, averaging 8 rainy days.
Is May a good time to visit Brussels Capital? check out the best time to travel to Brussels Capital page.
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23
Dry days
8
Rainy days
0
Snow days
19°/7°
Temperatures
18 km/h
Avg max wind
79 %
Avg humidity
Brussels Capital in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  18° | 2  14° | 3 15° | 4 18° | |||
| 5 17° | 6  18° | 7 17° | 8 18° | 9 16° | 10 17° | 11 19° |
| 12 20° | 13 20° | 14 20° | 15  15° | 16 14° | 17  17° | 18 16° |
| 19 18° | 20 18° | 21 19° | 22 20° | 23 17° | 24 17° | 25  18° |
| 26  19° | 27 18° | 28 20° | 29 18° | 30 17° | 31 19° |
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Temperatures trend during May in Brussels Capital
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Moderate or heavy rain shower | 18° /11° | 5.4 mm | 4 | |
| 2 May | Overcast | 14° /8° | 3.7 mm | 4 | |
| 3 May | Overcast | 15° /5° | 0.4 mm | 4 | |
| 4 May | Overcast | 18° /6° | 2.7 mm | 4 | |
| 5 May | Moderate rain at times | 17° /7° | 1.5 mm | 4 | |
| 6 May | Patchy rain possible | 18° /9° | 4.5 mm | 5 | |
| 7 May | Moderate or heavy rain shower | 17° /10° | 6.4 mm | 4 | |
| 8 May | Patchy rain possible | 18° /9° | 0.1 mm | 4 | |
| 9 May | Moderate or heavy rain shower | 16° /9° | 9.1 mm | 4 | |
| 10 May | Moderate or heavy rain shower | 17° /9° | 5.8 mm | 4 | |
| 11 May | Moderate rain at times | 19° /8° | 1.6 mm | 5 | |
| 12 May | Moderate or heavy rain shower | 20° /10° | 7 mm | 5 | |
| 13 May | Moderate rain at times | 20° /11° | 0.8 mm | 5 | |
| 14 May | Patchy rain possible | 20° /10° | 2.2 mm | 5 | |
| 15 May | Heavy rain at times | 15° /9° | 3.8 mm | 4 | |
| 16 May | Patchy rain possible | 14° /7° | 8.4 mm | 4 | |
| 17 May | Cloudy | 17° /8° | 1.6 mm | 4 | |
| 18 May | Overcast | 16° /7° | 4.7 mm | 4 | |
| 19 May | Overcast | 18° /8° | 3 mm | 4 | |
| 20 May | Overcast | 18° /9° | 2.5 mm | 4 | |
| 21 May | Overcast | 19° /11° | 6.2 mm | 4 | |
| 22 May | Overcast | 20° /10° | 0.7 mm | 5 | |
| 23 May | Overcast | 17° /8° | 0.4 mm | 4 | |
| 24 May | Overcast | 17° /7° | 3.7 mm | 4 | |
| 25 May | Partly cloudy | 18° /9° | 0.2 mm | 5 | |
| 26 May | Sunny | 19° /8° | 2.1 mm | 5 | |
| 27 May | Overcast | 18° /7° | 0.5 mm | 5 | |
| 28 May | Partly cloudy | 20° /8° | 2.6 mm | 5 | |
| 29 May | Cloudy | 18° /9° | 2.6 mm | 4 | |
| 30 May | Overcast | 17° /7° | 2.1 mm | 4 | |
| 31 May | Partly cloudy | 19° /9° | 1.1 mm | 5 | |
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Important Notice
Our weather forecast for Brussels Capital in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Brussels Capital forecast closer to your planned date for the most up-to-date weather information.
Brussels Capital in May - FAQ
What are the expected maximum and minimum temperatures in Brussels Capital during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Brussels Capital during May?
Significant rainfall exceeding 172.3 mm is expected in Brussels Capital during May, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Brussels Capital during May?
The average wind speed in Brussels Capital during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Brussels Capital in May?
As you prepare for your trip to Brussels Capital in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Brussels Capital, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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